North Korea conducted its first test of Hwasong-15 Intercontinental ballistic missile (ICBM) early Wednesday which puts all of US in striking range. The missile soared to an altitude ten times higher than the International Space Station.

North Korea’s state news agency has called the US-led effort to impose sanctions over its weapons programme futile, vowing the country inevitably will become a “state nuclear force”. The comments on Sunday came from the Korean Central News Agency’s website Uriminzokkiri after US Secretary of State Rex Tillerson met for talks with China’s top diplomats and…

Testing a long range missile (ICBM) is different from targeting it to exact location. Long range missiles need fine, very fine trajectory corrections. A slight deviation in angle or trajectory would cause hundreds of kilometers of error, the missile fired may fall on some nation or into the ocean. The missile guidance system or sometimes referred to as Missile guidance set (MG set) as shown below is responsible for directing a missile during flight and does fine trajectory corrections.

At the end of July, the simmering tension between North Korea and the U.S. took on heightened urgency after observers noted that the latest North Korean missile could possibly reach the West Coast. The “rebel state” carried out an intercontinental ball…